gesture (n.) Look up gesture at Dictionary.com
early 15c., "manner of carrying the body," from Medieval Latin gestura "bearing, behavior, mode of action," from Latin gestus "gesture, carriage, posture" (see gest). Restricted sense of "a movement of the body or a part of it, intended to express a thought or feeling," is from 1550s; figurative sense of "action undertaken in good will to express feeling" is from 1916.